Beginner Eye Quiz

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This quiz contains 10 questions. Click below to begin.

Q1. Which structure forms the transparent anterior part of the fibrous coat of the eye?

  • Retina
  • Cornea
  • Iris
  • Choroid

Q2. Which structure forms most of the opaque outer coat of the eyeball?

  • Ciliary body
  • Cornea
  • Retina
  • Sclera

Q3. Which three structures make up the vascular coat, or uvea, of the eye?

  • Choroid, ciliary body, and iris
  • Retina, optic nerve, and lens
  • Cornea, sclera, and conjunctiva
  • Lens, iris, and cornea

Q4. Which structure controls the amount of light entering through the pupil?

  • Iris
  • Choroid
  • Sclera
  • Optic disc

Q5. Which structure focuses light onto the retina and changes shape during accommodation?

  • Sclera
  • Lens
  • Choroid
  • Optic nerve

Q6. Which fluid fills the anterior and posterior chambers of the eye?

  • Perilymph
  • Endolymph
  • Aqueous humor
  • Vitreous humor

Q7. Which substance fills most of the space behind the lens?

  • Cerebrospinal fluid
  • Vitreous body
  • Aqueous humor
  • Tears

Q8. Which layer contains the photoreceptors responsible for vision?

  • Choroid only
  • Retina
  • Corneal epithelium
  • Sclera

Q9. Which cranial nerve carries visual information from the retina?

  • Oculomotor nerve, CN III
  • Optic nerve, CN II
  • Abducens nerve, CN VI
  • Trochlear nerve, CN IV

Q10. What is the pupil?

  • A canal in the sclera
  • A muscle in the ciliary body
  • A depression in the retina
  • An opening in the iris
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